UPSALA is a unique blue porcelain noted for its beautiful cobalt blue. It has high plasticity, which makes it ideal for wheel-throwing and modelling. Its formula is very stable and provides a secure firing range between 1200 and 1240ºC (oxidizing atmosphere). Suitable for tableware (food-safe), according to ISO 6486. Available in extruded body (moist form). Presented in a practical 5 kg cylindrical format with double packaging.

• Firing range: 1200-1240ºC / Cone 6-7
• Biscuit temperature: 1000ºC / Cone 06
• Water content: 21%
• Plasticity (IP Atterberg): 11
• Carbonate content (CaCO3): 0%
• Drying shrinkage: 5.2%
• Firing shrinkage (1220ºC): 10.4%
• Porosity (water absorption at 1220ºC): 0.0%
• Dry bending strength: 3.3 N/mm2
• Fired bending strength (1220ºC): 47.2 N/mm2
• Thermal coefficient (25-500ºC): 58.3x10^-7ºC^-1

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Quantity pricing (quantities may be achieved by mix and matching with any Sio-2 Specialty Clay):

10+      5% off

Brand SIO-2 
Firing: Ceramic kiln high fire 
Weight/Volume: 5 kg 
Grog: Ungrogged 
State: Moist form (plastic body) 
Stiffness: 4 throwing and modelling

Be sure to check out our “Shipping & Returns” page for tips on maximizing your shipping dollar and our local shipping rates as well as guidelines on how to receive your order, damage claims and our return policy.

Note: Protect from Freezing.